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authorAlexander Chernavin <achernavin@netgate.com>2018-12-13 09:08:09 -0500
committerDamjan Marion <dmarion@me.com>2019-01-13 13:36:22 +0000
commitad9d528314a049971b1fb9a42562b00e07cf93f4 (patch)
tree31173f45bc3558c2ad3df62ad84b8ba6b4705788 /src/vnet
parente589b38f98e9d8f88a3bae56549ea49d9d802989 (diff)
bonding: support custom interface IDs
Change-Id: I78fe58144fa3ba2e1c7135897a13a2541f235c91 Signed-off-by: Alexander Chernavin <achernavin@netgate.com>
Diffstat (limited to 'src/vnet')
-rw-r--r--src/vnet/bonding/bond.api4
-rw-r--r--src/vnet/bonding/bond_api.c3
-rw-r--r--src/vnet/bonding/cli.c24
-rw-r--r--src/vnet/bonding/device.c2
-rw-r--r--src/vnet/bonding/node.h10
5 files changed, 40 insertions, 3 deletions
diff --git a/src/vnet/bonding/bond.api b/src/vnet/bonding/bond.api
index e8919e14904..e779453b091 100644
--- a/src/vnet/bonding/bond.api
+++ b/src/vnet/bonding/bond.api
@@ -24,6 +24,7 @@ option version = "1.0.0";
/** \brief Initialize a new bond interface with the given paramters
@param client_index - opaque cookie to identify the sender
@param context - sender context, to match reply w/ request
+ @param id - if non-~0, specifies a custom interface ID
@param use_custom_mac - if set, mac_address is valid
@param mac_address - mac addr to assign to the interface if use_custom_mac is set
@param mode - mode, required (1=round-robin, 2=active-backup, 3=xor, 4=broadcastcast, 5=lacp)
@@ -33,6 +34,7 @@ define bond_create
{
u32 client_index;
u32 context;
+ u32 id;
u8 use_custom_mac;
u8 mac_address[6];
u8 mode;
@@ -112,6 +114,7 @@ define sw_interface_bond_dump
/** \brief Reply for bond dump request
@param sw_if_index - software index of bond interface
+ @param id - ID of interface
@param interface_name - name of interface
@param mode - bonding mode
@param lb - load balance algo
@@ -122,6 +125,7 @@ define sw_interface_bond_details
{
u32 context;
u32 sw_if_index;
+ u32 id;
u8 interface_name[64];
u8 mode;
u8 lb;
diff --git a/src/vnet/bonding/bond_api.c b/src/vnet/bonding/bond_api.c
index 691697cf4fe..50bae5d528d 100644
--- a/src/vnet/bonding/bond_api.c
+++ b/src/vnet/bonding/bond_api.c
@@ -106,6 +106,8 @@ vl_api_bond_create_t_handler (vl_api_bond_create_t * mp)
clib_memset (ap, 0, sizeof (*ap));
+ ap->id = ntohl (mp->id);
+
if (mp->use_custom_mac)
{
clib_memcpy (ap->hw_addr, mp->mac_address, 6);
@@ -197,6 +199,7 @@ bond_send_sw_interface_details (vpe_api_main_t * am,
clib_memset (mp, 0, sizeof (*mp));
mp->_vl_msg_id = htons (VL_API_SW_INTERFACE_BOND_DETAILS);
mp->sw_if_index = htonl (bond_if->sw_if_index);
+ mp->id = htonl (bond_if->id);
clib_memcpy (mp->interface_name, bond_if->interface_name,
MIN (ARRAY_LEN (mp->interface_name) - 1,
strlen ((const char *) bond_if->interface_name)));
diff --git a/src/vnet/bonding/cli.c b/src/vnet/bonding/cli.c
index 14c52f70b0b..2ccf0d4b4ce 100644
--- a/src/vnet/bonding/cli.c
+++ b/src/vnet/bonding/cli.c
@@ -92,6 +92,7 @@ bond_dump_ifs (bond_interface_details_t ** out_bondifs)
pool_foreach (bif, bm->interfaces,
vec_add2(r_bondifs, bondif, 1);
clib_memset (bondif, 0, sizeof (*bondif));
+ bondif->id = bif->id;
bondif->sw_if_index = bif->sw_if_index;
hi = vnet_get_hw_interface (vnm, bif->hw_if_index);
clib_memcpy(bondif->interface_name, hi->name,
@@ -231,6 +232,7 @@ bond_delete_if (vlib_main_t * vm, u32 sw_if_index)
clib_bitmap_free (bif->port_number_bitmap);
hash_unset (bm->bond_by_sw_if_index, bif->sw_if_index);
+ hash_unset (bm->id_used, bif->id);
clib_memset (bif, 0, sizeof (*bif));
pool_put (bm->interfaces, bif);
@@ -266,9 +268,21 @@ bond_create_if (vlib_main_t * vm, bond_create_if_args_t * args)
pool_get (bm->interfaces, bif);
clib_memset (bif, 0, sizeof (*bif));
bif->dev_instance = bif - bm->interfaces;
+ bif->id = args->id;
bif->lb = args->lb;
bif->mode = args->mode;
+ // Adjust requested interface id
+ if (bif->id == ~0)
+ bif->id = bif->dev_instance;
+ if (hash_get (bm->id_used, bif->id))
+ {
+ args->rv = VNET_API_ERROR_INSTANCE_IN_USE;
+ pool_put (bm->interfaces, bif);
+ return;
+ }
+ hash_set (bm->id_used, bif->id, 1);
+
// Special load-balance mode used for rr and bc
if (bif->mode == BOND_MODE_ROUND_ROBIN)
bif->lb = BOND_LB_RR;
@@ -291,13 +305,14 @@ bond_create_if (vlib_main_t * vm, bond_create_if_args_t * args)
}
memcpy (bif->hw_address, args->hw_addr, 6);
args->error = ethernet_register_interface
- (vnm, bond_dev_class.index, bif - bm->interfaces /* device instance */ ,
+ (vnm, bond_dev_class.index, bif->dev_instance /* device instance */ ,
bif->hw_address /* ethernet address */ ,
&bif->hw_if_index, 0 /* flag change */ );
if (args->error)
{
args->rv = VNET_API_ERROR_INVALID_REGISTRATION;
+ hash_unset (bm->id_used, bif->id);
pool_put (bm->interfaces, bif);
return;
}
@@ -329,6 +344,7 @@ bond_create_command_fn (vlib_main_t * vm, unformat_input_t * input,
if (!unformat_user (input, unformat_line_input, line_input))
return clib_error_return (0, "Missing required arguments.");
+ args.id = ~0;
args.mode = -1;
args.lb = BOND_LB_L2;
while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
@@ -342,6 +358,8 @@ bond_create_command_fn (vlib_main_t * vm, unformat_input_t * input,
else if (unformat (line_input, "hw-addr %U",
unformat_ethernet_address, args.hw_addr))
args.hw_addr_set = 1;
+ else if (unformat (line_input, "id %u", &args.id))
+ ;
else
return clib_error_return (0, "unknown input `%U'",
format_unformat_error, input);
@@ -360,7 +378,8 @@ bond_create_command_fn (vlib_main_t * vm, unformat_input_t * input,
VLIB_CLI_COMMAND (bond_create_command, static) = {
.path = "create bond",
.short_help = "create bond mode {round-robin | active-backup | broadcast | "
- "{lacp | xor} [load-balance { l2 | l23 | l34 }]} [hw-addr <mac-address>]",
+ "{lacp | xor} [load-balance { l2 | l23 | l34 }]} [hw-addr <mac-address>] "
+ "[id <if-id>]",
.function = bond_create_command_fn,
};
/* *INDENT-ON* */
@@ -716,6 +735,7 @@ show_bond_details (vlib_main_t * vm)
vnet_get_main (), *sw_if_index);
}
vlib_cli_output (vm, " device instance: %d", bif->dev_instance);
+ vlib_cli_output (vm, " interface id: %d", bif->id);
vlib_cli_output (vm, " sw_if_index: %d", bif->sw_if_index);
vlib_cli_output (vm, " hw_if_index: %d", bif->hw_if_index);
}));
diff --git a/src/vnet/bonding/device.c b/src/vnet/bonding/device.c
index 2bbb90d20f9..e288c572b19 100644
--- a/src/vnet/bonding/device.c
+++ b/src/vnet/bonding/device.c
@@ -72,7 +72,7 @@ format_bond_interface_name (u8 * s, va_list * args)
bond_main_t *bm = &bond_main;
bond_if_t *bif = pool_elt_at_index (bm->interfaces, dev_instance);
- s = format (s, "BondEthernet%lu", bif->dev_instance);
+ s = format (s, "BondEthernet%lu", bif->id);
return s;
}
diff --git a/src/vnet/bonding/node.h b/src/vnet/bonding/node.h
index b9504424ee8..15640071aa8 100644
--- a/src/vnet/bonding/node.h
+++ b/src/vnet/bonding/node.h
@@ -77,6 +77,7 @@ enum
typedef struct
{
+ u32 id;
u8 hw_addr_set;
u8 hw_addr[6];
u8 mode;
@@ -112,6 +113,7 @@ typedef struct
typedef struct
{
u32 sw_if_index;
+ u32 id;
u8 interface_name[64];
u8 mode;
u8 lb;
@@ -158,7 +160,12 @@ typedef struct
/* the last slave index for the rr lb */
u32 lb_rr_last_index;
+ /* Real device instance in interface vector */
u32 dev_instance;
+
+ /* Interface ID being shown to user */
+ u32 id;
+
u32 hw_if_index;
u32 sw_if_index;
@@ -297,6 +304,9 @@ typedef struct
/* pool of bonding interfaces */
bond_if_t *interfaces;
+ /* record used interface IDs */
+ uword *id_used;
+
/* pool of slave interfaces */
slave_if_t *neighbors;